Stop using av_stream_get_codec_timebase()

It deprecated now

Author: h4tr3d

src/codeccontext.cpp

@@ -1049,7 +1049,14 @@ CodecContext2::encodeCommon(Packet &outPacket,
         outPacket.setStreamIndex(inFrame.streamIndex());
     } else if (m_stream.isValid()) {
 #if USE_CODECPAR
+#if USE_AV_STREAM_GET_CODEC_TIMEBASE
         outPacket.setTimeBase(av_stream_get_codec_timebase(m_stream.raw()));
+#else
+        // TBD: additional checking are needed
+        if (timeBase() != Rational{}) {
+            outPacket.setTimeBase(timeBase());
+        }
+#endif
 #else
         FF_DISABLE_DEPRECATION_WARNINGS
         if (m_stream.raw()->codec) {

src/ffmpeg.h

@@ -66,6 +66,7 @@ inline AVMediaType avfilter_pad_get_type(AVFilterPad *pads, int pad_idx)
 #define DEPRECATED_INIT_PACKET (LIBAVCODEC_VERSION_MAJOR >= 58)
 
 #define USE_AVCODEC_GET_SUPPORTED_CONFIG (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(61, 13, 100))
+#define USE_AV_STREAM_GET_CODEC_TIMEBASE (LIBAVFORMAT_VERSION_INT < AV_VERSION_INT(61, 5, 101))
 
 template<typename T>
 struct FFWrapperPtr